Question: Tell me the point in time for Djibouti has inflation rate as 2.5 ?
Paraphrase: When did Djibouti have an inflation rate of 2.5?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q977 p:P1279 ?s . ?s ps:P1279 ?x filter(contains(?x , '2.5')) . ?s pq:P585 ?value}